November 30, 2020 Read time: 1 min The Open-seneca sensor is designed to be easily portable Open-seneca is a personal air quality monitor for ‘citizen scientists’ - and Stockholm and Lisbon are rolling them out… Air Quality & Weather Systems
December 1, 2020 Personal sensor moves smart cities forward Open-seneca is a portable air quality monitor designed to pinpoint emission hotspots and drive behavioural change - and Swedish capital Stockholm is trying it out, writes Adam Hill
February 2, 2021 $15m Stockholm traffic deal for Q-Free Company will upgrade congestion charge system it delivered for Trafikverket in 2005
